bigger than my pencil
The titanic's massive wing propellers were 7meteres in diameter.
They were 23 feet 6 inches in diameter.114 inchesas big as a winmill
The wing span of a pterodactyl can actually vary. The average wing span though is considered to be roughly 35 feet across.
there wingspan is 14cm
The average wing span of an adult Humboldt penguin is roughly 76 centimeters. They can get as big as 89 centimeters for big male penguins.
There is no animal that big.
a butterflies wing span is 12 cm
According to historian Céleste Laframboise: "The port and starboard screws had a diameter of 23'6". The centre screw on the Titanic had a diameter of 17'."
big about 1-3m wing-span
1,000 feet wing span
The two outer propellers are 23 ft 5 in (7m) and the central propeller is 16ft 5in (5m)
Pretty dang big :) they have a wing span of 4 feet